Using the table below, calculate the average atomic mass for an unknown 6 points element“J” to the nearest hundredth atomic mass unit. *
Isotope Relative Abundance (%) Atomic Mass (amu)
J-6
7.59
6.02
J-7
92.41
7.02
Your answer

What happens to energy in an open system?

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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?